Humans
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We summarize the week's scientific breakthroughs every Thursday.
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Health & MedicineMaking the optic nerve sprout anew
A compound made during inflammation, a natural reaction to injury, can induce optic nerve regeneration in a lab-dish concoction including rat retinal ganglion cells.
By Nathan Seppa -
Health & MedicineFDA Launches Acrylamide Investigations
You knew french fries and potato chips werent health foods. Sure, theyre veggies, but their deep-fat frying adds scads of fat. Depending on whos doing the cooking, that fat can be the saturated type, which can lead to clogged arteries. But until April, who could have suspected that these oh-so-yummy golden-brown spuds were also laced […]
By Janet Raloff -
Health & MedicineCatching macular degeneration early
Scientists have developed a test that uses the eye's ability to adapt to darkness as a test for age-related macular degeneration, the most common cause of blindness in elderly people.
By Nathan Seppa -
HumansFrom the October 8, 1932, issue
AUTUMN BRINGS NOBILITY EVEN TO CORNFIELD WEEDS Autumn is the time of the Truce of God. Even as a beggar may assume a certain dignity when he is about to die, so the commonest weeds often take on beauty when all things pause to make last salute to the retreating sun, before the hora novissima […]
By Science News -
Health & MedicineA Prized Worm
This year’s Nobel Prize in physiology or medicine went to researchers who pioneered the use of the tiny worm Caenorhabditis elegans as an animal model for exploring basic processes involved in the development and behavior of multicellular organisms. Learn more about the remarkable C. elegans from a Vanderbilt University news feature about this “elegant worm” […]
By Science News -
Health & MedicineStressing out
A gene variant reduces people's response to the stress hormone cortisol, and people with the variant are less likely to have risk factors for heart disease and diabetes.
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ArchaeologyMaya warfare takes 10 steps forward
The discovery of hieroglyphic-covered steps on the side of a Maya pyramid has yielded new information about warfare between two competing city-states around 1,500 years ago.
By Bruce Bower -
Health & MedicineIron Cooking Pots Help Combat Malnutrition
Iron deficiency, the most common nutritional disorder in the world, is a major problem in many developing countries. The World Health Organization (WHO) currently estimates that a mind-boggling 4 to 5 billion people may suffer from some form of iron deficiency–that’s 66 to 88% of the world’s population. Up to 2 billion of these people […]
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Health & MedicineInto the Tank: Pressurized oxygen is best at countering carbon monoxide exposure
Oxygen treatment for serious carbon monoxide poisoning prevents long-term brain damage best if delivered as pressurized gas.
By Nathan Seppa -
HumansFlame Out: Fishy findings sustain, then snuff, stellar career
Investigators have concluded that a young, up-and-coming physicist repeatedly faked data and committed other types of scientific misconduct.
By Peter Weiss -
HumansFrom the April 19, 1930, issue
TRAVEL TO THE MOON BY THE YEAR 2050 By the year 2050, Earth-dwellers will probably be able to travel to the moon and to communicate with their terrestrial home by telephoning over a beam of light. They will get there by traveling in a rocket ship at a speed of some 50,000 miles an hour, […]
By Science News -
Health & MedicineLingering legacy of Sept. 11, 2001, on firefighters’ health
Of the New York firefighters involved in the rescue and recovery effort after last year's terrorist attacks, relatively few have developed chronic coughs and respiratory problems, but among those who did, the problems seem unusually severe.